| Audiobot Notes | |
|---|---|
| Peak SPL |
110.1 dB This was approximated from the source output at 32 Ω |
| Damping factor | 230.8 |
| Popular Combos for HD 660 S |
|---|
| Schiit Magni 3 |
| Popular Combos for DragonFly |
|---|
| Koss UR 20 |
| Audeze LCD-2 |
| Audeze LCD-X |
| AKG K 701 |
| Monoprice M560 Planar Headphones |
| Sennheiser HD 660 S | |
|---|---|
| Impedance | 150 Ω |
| Efficiency | 95.8 dB SPL/mW |
| Frequency Response | 10 - 41,000 Hz |
| Transducer Type | Dynamic |
| Operating Principle | Open |
| Ear Coupling | Over-ear |
| Weight | 260 g |
| Price History | |
|---|---|
| Current | $489.99 |
| Highest | $700.00 |
| Lowest | $489.99 |
| Search Item | Amazon, eBay |
| Buy from Sennheiser | |
| Similar Headphones |
|---|
| Sennheiser HD 700 |
| AKG K 702 |
| AKG K 712 Pro |
| AKG K 7XX |
| AKG K 612 Pro |
| AudioQuest DragonFly | |
|---|---|
| Output Impedance | 0.65 Ω |
| Power Output | 125 mW at 32 Ω |
| Portable | |
| Additional Notes | |
| "The heart of DragonFly is the 24-bit ESS Sabre™ conversion chip, a high-performance solution that’s typically found in better CD and Blu-ray Disc™ players. DragonFly can accept audio and music files ranging from MP3s and CD-standard 16-bit/44kHz to native 24-bit/96kHz high-resolution, regardless of music file format. If your computer’s software can recognize and play a format, DragonFly will make it sound its best." | |
| Price History | |
|---|---|
| Current | $99.00 |
| Highest | $99.95 |
| Lowest | $99.00 |
| Search Item | Amazon, eBay |
